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C++ gcc 程序时出问题

2017-11-09 19:12 239 查看
/sbin/../lib/gcc/x86_64-baidu-linux-gnu/4.8.2/../../../../x86_64-baidu-linux-gnu/bin/ld: /tmp/cc2R3lJb.o: undefined reference to symbol ‘ceil@@GLIBC_2.2.5’

/sbin/../lib/gcc/x86_64-baidu-linux-gnu/4.8.2/../../../../x86_64-baidu-linux-gnu/bin/ld: note: ‘ceil@@GLIBC_2.2.5’ is defined in DSO /top/lib/libm.so.6 so try adding it to the linker command line

/top/lib/libm.so.6: could not read symbols: Invalid operation

编译的时候在gcc *.cpp后再加上-lm
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